The document discusses several conventions used in film openings, including logos to identify production companies, titles to credit important crew and cast, establishing shots to set the genre, location, and main characters. It notes that openings aim to quickly give viewers context clues about the type of film they are watching through visuals, sounds, and themes presented in the first few minutes. Common techniques mentioned are using diegetic or non-diegetic sound, action or humor depending on genre, and creating enigma to engage audiences early on.